Funding for this research was provided by:
he Planned Science and Technology Project of Guangdong Province (201707010087, 2016A020215085)
the 308 Clinical Research Funding of Sun Yat-Sen University Cancer Center (No 308-2015-011)
Received: 13 May 2021
Accepted: 14 July 2021
First Online: 28 July 2021
: The Hospital Ethics Committee at Sun Yat-sen University Cancer Center in China approved this study, which analyze anonymous data, and waived the requirement for informed consent.
: The Protocol Review Board and Ethics Committee of the Institute of Oncology approved the study, which was conducted in accordance with the ethical standards laid down in an appropriate version of the 1964 Declaration of Helsinki. The need for consent was waived by the Ethics Committee.
: The authors declare that they have no actual or potential conflicts of interest.